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西安理工大学无线光通信系统自适应光学技术研究进展

柯熙政 杨尚君 吴加丽 钟禧瑞

柯熙政, 杨尚君, 吴加丽, 等. 西安理工大学无线光通信系统自适应光学技术研究进展[J]. 强激光与粒子束, 2021, 33: 081003. doi: 10.11884/HPLPB202133.210167
引用本文: 柯熙政, 杨尚君, 吴加丽, 等. 西安理工大学无线光通信系统自适应光学技术研究进展[J]. 强激光与粒子束, 2021, 33: 081003. doi: 10.11884/HPLPB202133.210167
Ke Xizheng, Yang Shangjun, Wu Jiali, et al. Research progress of adaptive optics in wireless optical communication system for Xi’an University of Technology[J]. High Power Laser and Particle Beams, 2021, 33: 081003. doi: 10.11884/HPLPB202133.210167
Citation: Ke Xizheng, Yang Shangjun, Wu Jiali, et al. Research progress of adaptive optics in wireless optical communication system for Xi’an University of Technology[J]. High Power Laser and Particle Beams, 2021, 33: 081003. doi: 10.11884/HPLPB202133.210167

西安理工大学无线光通信系统自适应光学技术研究进展

doi: 10.11884/HPLPB202133.210167
基金项目: 陕西省科研计划项目(18JK0341);陕西省重点产业创新项目(2017ZDCXL-GY-06-01);西安市科技计划项目(2020KJRC0083)
详细信息
    作者简介:

    柯熙政(1962—),男,教授,博士生导师,主要从事无线光通信方面的研究

    通讯作者:

    杨尚君(1991—),男,博士研究生,主要从事无线光通信方面的研究

  • 中图分类号: TN929.1

Research progress of adaptive optics in wireless optical communication system for Xi’an University of Technology

  • 摘要:

    总结了国内外自适应光学技术在无线光通信系统应用中的研究进展和技术分类,同时介绍了西安理工大学在该领域的工作,包括有波前测量的自适应光学系统、无波前测量的自适应光学系统、液晶空间光调制器波前校正、偏摆镜和变形镜组合的波前校正、空间光光纤耦合自适应光学波前校正等。自适应光学技术可有效修正无线光通信系统中由大气湍流引起的畸变波前,提高耦合效率和通信性能。虽然这些方法在理论分析和工程实际中尚不完善,但不失为人们在该领域进行的有益探索。

  • 图  1  西安理工大学无线光通信100 km实验链路图

    Figure  1.  Diagram of 100 km of Xi’an University of Technology wireless optical communication experimental link

    图  2  无线相干光通信内部结构实物图

    Figure  2.  Photo of internal structure of wireless coherent optical communication

    图  3  自适应光学研究内容结构图

    Figure  3.  Structure of adaptive optics research content

    图  4  自适应光学系统原理图

    Figure  4.  Schematic diagram of adaptive optics system

    图  5  有波前自适应光学系统结构图

    Figure  5.  Structure diagram of adaptive optics system with wavefront

    图  6  推拉法第10个驱动器驱动下(a)变形镜面形图(b)波前斜率图

    Figure  6.  Push-pull method driving the 10th driver (a) deformable mirror shape diagram (b) wavefront slope diagram

    图  7  响应矩阵

    Figure  7.  Interaction matrices

    图  8  自适应光学PID控制算法原理图

    Figure  8.  Schematic diagram of adaptive optics PID control algorithm

    图  9  不同kp参数下波前校正[96]

    Figure  9.  Wavefront correction under different kp parameters[96]

    图  10  不同ki参数下波前校正[96]

    Figure  10.  Wavefront correction under different ki parameters[96]

    图  11  不同收敛值δ校正后波前相位[96]

    Figure  11.  Different convergence values δ corrected wavefront phase[96]

    图  12  不同γ值校正波前相位[96]

    Figure  12.  Different γ value corrected wavefront phase[96]

    图  13  不同β校正后系统波前相位[96]

    Figure  13.  Different β corrected system wavefront phase[96]

    图  14  模糊控制校正波前PV曲线[100]

    Figure  14.  PV curve of wavefront corrected by fuzzy control[100]

    图  15  自适应光学波前预测校正

    Figure  15.  Adaptive optics wavefront prediction and correction

    图  16  无波前自适应光学系统图

    Figure  16.  Wavefrontless adaptive optics system

    图  17  变形镜本征模式校正光强SR变化曲线[107]

    Figure  17.  Deformable mirror eigen mode corrected light intensity SR change curve[107]

    图  18  波前校正前后光斑图[107]

    Figure  18.  Light spot by wavefront correction[107]

    图  19  基于SPGD算法波前校正[114]

    Figure  19.  Wavefront correction based on SPGD algorithm[114]

    图  20  无波前校正法光纤耦合校正曲线[115]

    Figure  20.  Optimal optical fiber coupling correction curve after wavefrontless correction[115]

    图  21  各阶次涡旋光束利用相位恢复Gerchberg-Saxton法校正前后光强分布图[117](a1)~(d1)无湍流;(a2)~(d2)有湍流;(a3)~(d3)校正后

    Figure  21.  Intensity distribution of vortex beams before and after correction by phase recovery Gerchberg-Saxton algorithm[117](a1)~(d1) no turbulence, (a2)~(d2) has turbulence, (a3)~(d3) correction

    图  22  相位差法校正单个涡旋光束的光强分布图[119](a1)~(c1)初始光强;(a2)~(c2)焦面处光强;(a3)~(c3)离焦面处光强;(a4)~(c4)校正后光强

    Figure  22.  Intensity distribution of single vortex beam corrected by phase difference method[119](a1)~(c1) initial light intensity, (a2)~(c2) the light intensity at the focal plane, (a3)~(c3) intensity at defocus plane, (a4)~(c4) corrected light intensity

    图  23  无线相干光通信系统LC-SLM波前校正示意图[120]

    Figure  23.  Schematic diagram of LC-SLM wavefront correction in wireless coherent optical communication system[120]

    图  24  校正前后中频信号幅值[122]

    Figure  24.  Amplitude of immediate frequency signal before and after correction[122]

    图  25  多校正器波前校正PV收敛曲线

    Figure  25.  PV convergence curve of multi-corrector wavefront correction

    图  26  基于TM和DM组合的自适应光学系统波前相位

    Figure  26.  Wavefront phase of adaptive optics system based on TM and DM combination

    图  27  加算法时电压变化[127]

    Figure  27.  Voltage change while using simulated annealing algorithm[127]

    图  28  引入不同偏差下耦合光功率随迭代次数变化曲线[128]

    Figure  28.  Variation curve of coupling optical power with iteration times under different deviations[128]

    图  29  模式转换结果[131]

    Figure  29.  Mode conversion results[131]

    图  30  自适应光学波前校正光纤耦合控制系统示意图

    Figure  30.  Schematic diagram of adaptive optics wavefront correction optical fiber coupling control system

    图  31  非共光路像差对自适应光学闭环耦合功率以及波前相位的影响

    Figure  31.  Effect of non-common optical path aberration on closed-loop coupling power and wavefront phase of adaptive optics

    图  32  自适应光学波前校正前后光纤耦合功率变化曲线

    Figure  32.  Variation curve of fiber coupling power before and after adaptive optics wavefront correction

    图  33  不同距离情况下波前修正对于耦合效率影响的曲线

    Figure  33.  Effect curve of wavefront correction on coupling efficiency at different distances

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    [129] 柯熙政, 张旭彤. 一种利用模式转换提高单模光纤耦合效率的方法: CN110133803A[P]. 2019-08-16.

    Ke Xizheng, Zhang Xutong. Method of improving single-mode optical fiber coupling efficiency through mode conversion: CN110133803A[P]. 2019-08-16
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    Zhang Xutong. Research on mode conversion to improve coupling efficiency on single-mode fiber[D]. Xi’an: Xi’an University of Technology, 2020
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  • 收稿日期:  2021-05-01
  • 修回日期:  2021-07-25
  • 网络出版日期:  2021-08-19
  • 刊出日期:  2021-08-15

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